13414234043521 has 2 divisors, whose sum is σ = 13414234043522. Its totient is φ = 13414234043520.

The previous prime is 13414234043473. The next prime is 13414234043579. The reversal of 13414234043521 is 12534043241431.

13414234043521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12952160385921 + 462073657600 = 3598911^2 + 679760^2 .

It is an emirp because it is prime and its reverse (12534043241431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13414234043521 - 2¹¹ = 13414234041473 is a prime.

It is not a weakly prime, because it can be changed into another prime (13414234047521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6707117021760 + 6707117021761.

It is an arithmetic number, because the mean of its divisors is an integer number (6707117021761).

Almost surely, 2^{13414234043521} is an apocalyptic number.

It is an amenable number.

13414234043521 is a deficient number, since it is larger than the sum of its proper divisors (1).

13414234043521 is an equidigital number, since it uses as much as digits as its factorization.

13414234043521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 13414234043521 its reverse (12534043241431), we get a palindrome (25948277284952).

The spelling of 13414234043521 in words is "thirteen trillion, four hundred fourteen billion, two hundred thirty-four million, forty-three thousand, five hundred twenty-one".